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2025-11-21 - 07:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Fri Nov 21, 2025 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20127212564,7sleep30-21swapper/319:06:353
20286212264,6sleep10-21swapper/119:08:381
202802112100,7sleep00-21swapper/019:08:330
201882110100,7sleep20-21swapper/219:07:222
152362710,0sleep015216-21munin-run22:20:000
304642680,1sleep10-21swapper/123:45:211
25232620,0sleep20-21swapper/200:05:132
250312570,0sleep00-21swapper/000:00:140
212332570,0sleep3391ktimersoftd/321:33:413
160282570,0sleep00-21swapper/022:20:150
75282550,0sleep10-21swapper/100:05:241
220902550,0sleep20-21swapper/221:34:402
148502550,0sleep20-21swapper/222:01:522
229212540,0sleep30-21swapper/322:22:323
45142520,0sleep30-21swapper/323:34:583
303682480,0sleep20-21swapper/200:19:352
20563993114,11cyclictest0-21swapper/122:51:131
2055899310,20cyclictest0-21swapper/023:46:370
2055899302,22cyclictest0-21swapper/023:28:090
2056799280,27cyclictest0-21swapper/220:31:162
2056799280,27cyclictest0-21swapper/200:23:232
2056399280,27cyclictest0-21swapper/119:20:101
20558992818,2cyclictest10272-21snmpd23:24:160
20558992817,2cyclictest10272-21snmpd21:10:080
2055899281,21cyclictest0-21swapper/023:52:000
20567992723,3cyclictest0-21swapper/223:26:192
2056799270,26cyclictest0-21swapper/223:38:032
2056799270,26cyclictest0-21swapper/222:43:462
2056799270,26cyclictest0-21swapper/222:29:062
2056799270,26cyclictest0-21swapper/222:10:562
2056799270,26cyclictest0-21swapper/222:08:542
2056799270,26cyclictest0-21swapper/220:09:162
2056799270,26cyclictest0-21swapper/219:11:062
2056399270,26cyclictest0-21swapper/123:27:521
2056399270,26cyclictest0-21swapper/123:09:401
2056399270,26cyclictest0-21swapper/122:48:281
2056399270,26cyclictest0-21swapper/122:48:281
2056399270,26cyclictest0-21swapper/120:22:561
2056399270,26cyclictest0-21swapper/119:34:091
20558992718,2cyclictest10272-21snmpd22:44:460
20558992718,2cyclictest10272-21snmpd20:40:160
20558992717,2cyclictest10272-21snmpd23:35:010
20558992717,2cyclictest10272-21snmpd21:17:230
20558992717,2cyclictest10272-21snmpd00:33:200
2055899270,21cyclictest0-21swapper/023:11:190
2055899270,20cyclictest0-21swapper/022:25:070
2055899270,17cyclictest0-21swapper/022:11:100
2056799260,25cyclictest0-21swapper/223:12:302
2056799260,25cyclictest0-21swapper/222:37:182
2056799260,25cyclictest0-21swapper/219:56:022
2056799260,25cyclictest0-21swapper/219:41:282
2056799260,25cyclictest0-21swapper/219:37:582
2056399260,25cyclictest0-21swapper/120:13:141
2055899266,14cyclictest0-21swapper/023:55:160
20558992613,7cyclictest0-21swapper/021:37:050
2055899260,25cyclictest0-21swapper/021:30:010
2055899260,20cyclictest0-21swapper/000:09:190
2055899260,15cyclictest0-21swapper/021:55:510
20567992522,3cyclictest0-21swapper/220:42:472
20567992521,3cyclictest0-21swapper/221:24:202
2056799250,24cyclictest0-21swapper/223:43:462
2056799250,24cyclictest0-21swapper/222:52:042
2056799250,24cyclictest0-21swapper/200:30:562
2056799250,24cyclictest0-21swapper/200:03:042
2056799250,19cyclictest0-21swapper/223:50:162
2056399254,20cyclictest0-21swapper/121:24:081
20563992522,2cyclictest0-21swapper/122:07:561
2056399250,24cyclictest0-21swapper/123:01:441
2056399250,24cyclictest0-21swapper/122:33:131
2056399250,24cyclictest0-21swapper/122:25:301
2056399250,24cyclictest0-21swapper/121:58:511
2056399250,24cyclictest0-21swapper/121:37:361
2056399250,24cyclictest0-21swapper/121:11:291
2056399250,24cyclictest0-21swapper/120:01:501
20558992514,6cyclictest0-21swapper/000:23:450
2055899250,19cyclictest0-21swapper/022:50:190
2055899250,19cyclictest0-21swapper/022:35:570
20567992421,3cyclictest0-21swapper/200:28:262
20563992416,7cyclictest0-21swapper/100:38:371
2056399240,23cyclictest0-21swapper/123:52:321
2056399240,23cyclictest0-21swapper/123:32:041
2056399240,23cyclictest0-21swapper/122:21:581
2056399240,23cyclictest0-21swapper/121:32:361
2056399240,23cyclictest0-21swapper/121:01:171
2056399240,23cyclictest0-21swapper/100:21:591
2056399240,18cyclictest0-21swapper/123:37:271
2056399240,18cyclictest0-21swapper/122:43:551
2056399240,18cyclictest0-21swapper/100:10:521
2056399240,17cyclictest0-21swapper/100:00:001
2055899245,18cyclictest0-21swapper/023:15:110
20567992321,2cyclictest0-21swapper/220:53:472
20567992321,2cyclictest0-21swapper/219:53:192
20567992316,6cyclictest0-21swapper/222:15:342
20567992316,6cyclictest0-21swapper/221:56:492
2056799230,22cyclictest0-21swapper/221:13:222
2056799230,21cyclictest0-21swapper/221:29:532
2056399230,23cyclictest0-21swapper/122:39:431
2056399230,22cyclictest0-21swapper/123:41:481
2056399230,22cyclictest0-21swapper/123:11:361
2056399230,22cyclictest0-21swapper/121:43:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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